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https://gitee.com/langsisi_admin/serein-flow
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将部分节点基类与表达式工具类从nodeflow迁移到library,重写了环境与工作台的交互,解耦节点的获取,下一部分将尝试远程登录环境编辑流程。
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace Serein.NodeFlow.Tool.SereinExpression.Resolver
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{
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public class MemberStringConditionResolver : SereinConditionResolver
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{
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public string MemberPath { get; set; }
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public StringConditionResolver.Operator Op { get; set; }
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public string Value { get; set; }
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public override bool Evaluate(object obj)
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{
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object memberValue;
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if (!string.IsNullOrWhiteSpace(MemberPath))
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{
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memberValue = GetMemberValue(obj, MemberPath);
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}
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else
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{
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memberValue = obj;
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}
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if (memberValue is string strObj)
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{
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return new StringConditionResolver
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{
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Op = Op,
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Value = Value
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}.Evaluate(strObj);
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}
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return false;
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}
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private object GetMemberValue(object obj, string memberPath)
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{
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//string[] members = memberPath[1..].Split('.');
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string[] members = memberPath.Substring(1).Split('.');
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foreach (var member in members)
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{
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if (obj is null) return null;
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Type type = obj.GetType();
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PropertyInfo propertyInfo = type.GetProperty(member);
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FieldInfo fieldInfo = type.GetField(member);
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if (propertyInfo != null)
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obj = propertyInfo.GetValue(obj);
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else if (fieldInfo != null)
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obj = fieldInfo.GetValue(obj);
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else
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throw new ArgumentException($"Member {member} not found in type {type.FullName}");
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}
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return obj;
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}
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private static string GetArithmeticExpression(string part)
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{
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int startIndex = part.IndexOf('[');
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int endIndex = part.IndexOf(']');
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if (startIndex >= 0 && endIndex > startIndex)
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{
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return part.Substring(startIndex + 1, endIndex - startIndex - 1);
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}
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return null;
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}
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}
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}
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